Waste ink box for printer



FIG. 1 is a top, front and left side perspective view of a waste ink box for printer embodying my new design;

FIG. 2 is a bottom, front and right side perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is an enlarged partial perspective view thereof, as viewed from the bottom, front and right side. 

The ornamental design for a waste ink box for printer, as shown and described. 